#include<bits/stdc++.h>
using namespace std;
const int N=1e5+7;
int n,a[N];
int main()
{
    freopen("duel.in","r",stdin);
    freopen("duel.out","w",stdout);
    ios::sync_with_stdio(false);
    cin.tie(0),cout.tie(0);
    cin>>n;
    for(int i=1;i<=n;i++)
    {
        cin>>a[i];
    }
    sort(a+1,a+n+1);
    int i,j;
    for(i=1,j=2;j<=n;)
    {
        if(a[i]<a[j])
        {
            i++;
            j++;
        }
        else if(a[i]==a[j])
        {
            j++;
        }
    }
    cout<<j-i;
    return 0;
}
